I7110 Datasheet, PDF (14/17 Pages) List of Unclassifed Manufacturers – 300 Mbps LED Drivers

i7110
5.2 TSSOP20 Application Circuit
U1
R4 Rn
R5 Rp
1 _NC
2 _PWAN
3
PWAP
DIN+
4 _DINP
DIN-
5 _DINN
C6 10nF 6
VREF
R8
Rset1
7
R6 Rset2
8
VCC
9
C4
C5
10
0.01uF 0.1uF
REST2
REST1
VDDA
NC
NC ²⁰
GND ¹⁹
18
DISA
IOUTB ¹⁷
IOUT ¹⁶
15
IOUT
PEAK ¹⁴
VDDC ¹³
12
VDDD
NC ¹¹
i7110_TSSOP20
VCC
R1
22R
VCC
C6
0.1uF
D1
LED
R2
C1
VCC
C2
0.1uF
C3
0.01uF
undershoot / overshoot can be optimized by C1 & R2.
Typical C1=20pF ; R2=0 ohm @3V.
Typical C1=10pF ; R2=100 ohm @5V.
Rest2 : Temperature compensation adjustment.
Rest1 : Set nominal LED drive current.
Rn & Rp : Pulse width adjustment.
Figure 14
Page 12
© 2005 iCreate Technologies Corporation
APD-8011-001